senior java developer jobs in London

FX Risk Lead Java Developer + AI (VP)Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build...

Joseph Harry Ltd in London is seeking a Java Developer to join a team of 8 global quantitative developers focused on equity derivatives analysis and productionising models.90% Java, 10% Python; you will work with front office traders and quants, delivering robust software for fixed income and equity markets with strong design and architecture requirements....

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team.We are excited to announce an opportunity for a Senior Full Stack Developer to join our organization as part of our AI Enablement Team.In...

Experis (Austria) is seeking an Application Developer for a contract role, remotely in the UK with travel to London/Manchester every fortnight. The post focuses on redesigning and migrating applications from COBOL/C++/Java heritage toward Java on AWS within a large programme.You will design, develop, and assure critical components for migration,...

Denizns Ltd in London is seeking an experienced Java Developer with active SC clearance to design, build and maintain RESTful and SOAP microservices using Spring Boot in an Agile environment. You will join a dynamic team to develop scalable Java applications, work across functional groups, and ensure code quality with SOLID principles, TDD/BDD tests, and...

A leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lead innovation within the department. The ideal candidate has experience in Linux and AWS, mentoring abilities,...

Vertex Solutions is seeking a Java Developer for a landmark digital banking project in Europe. You will join a team building a brand new banking platform from a clean sheet, delivering robust Java solutions that power a next-generation financial service.Work in a fast-paced, high-impact environment with clear opportunities to progress, learn, and influence...

Looking for a role with plenty of growth opportunities?Join one of the world's leading IT services, consulting, and business solutions organization. Backed by decades of experience, the company consistently ranks among the top global IT service providers. With an international presence across multiple countries, the company has built a reputation for...

REMOTE Low latency Java Developer – Algo Trading120,000 + bonuses (50%)Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team.Our client quant prop trading house with performance figures of 22%.Want to make an application Make sure your CV is up to date, then read the following job specs...

Job DescriptionRole Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team.Interested in this role You can find all the relevant information in the description below.This is a hands‑on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.Job Overview The evolution of electronic trading and automation has...

We are searching for world-class technologists to join our team building solutions for the J.P. Morgan Macro e-trading platform, which streams real-time prices and executes client trades across FX, Rates, Commodities, Credit and ETFs. As a Software Engineer III at JPMorganChase within the Macro e-trading platform team, you serve as a seasoned member of an...

Nomura in London seeks an Associate Java Developer to join the Rates Intraday Risk Technology team. You will collaborate with traders and quants to translate business needs into robust server-side APIs delivering intraday risk and P&L data.You will contribute to platform re-architecture and modernization efforts, work across global teams (London, Tokyo and...

Job Title: Associate Java Developer – Rates Intraday Risk Technology Corporate Title: Associate Department: Information Technology Location: London (Hybrid) Company overview Nomura is a financial services group with an integrated global network. By connecting markets East & West, we service the needs of individuals, institutions, corporates and governments...

AND Digital in London seeks a Java Developer to work on large-scale enterprise projects in a hybrid setup (on-site 1-2 days a week). You’ll build high‑quality software using Java, SpringBoot, AWS and MySQL, champion technical vision, and collaborate with multidisciplinary teams.A minimum of two years’ professional experience is required, with a focus...

We are seeking an expert Senior Low-Latency Java Engineer to join our team. Responsibilities Latency Optimization: Profile, analyze, and systematically eliminate long-tail latency spikes across the FX eTrading application pipeline. Zero-GC Engineering: Design, write, and refactor high-throughput core Java code utilizing zero-allocation and low-GC...

Senior Technical Business Analyst - Capital Markets / Trading Technology/GamingPermanentHybrid - with good flexibilityLondon150-165k per annumLondonMUST HAVES: JAVA DEVELOPMENT BACKGROUND, DISTRIBUTION SYSTEMS EXPERIENCE, MESSAGING SYSTEMS EXPERIENCE LIKE AERON OR KAFKA OR equivalent. - CAPITAL MARKETS TRADING OR GAMING BACKGROUNDThis is an opportunity to...

Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices to improve software quality,...

About Us:Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical...

Bullish, Inc. is seeking a Senior Engineer for Trading Product Engineering in London. You will design and deliver low-latency Java code powering the Bullish Exchange, working across a hybrid architecture that blends a Central Limit Order Book with proprietary market making.You will optimize performance, expand automated testing, and collaborate with...